This was provided on 10 July in the form of a protest note from the USSR.

Immediately after the kidnapping of all the leaders, the Polish government in exile sent a protest note to Washington and London demanding their release.

DPs demonstrated against the British policy and sent protest notes.

They later stated that their intent had been to present a protest note to its captain.

However, the Soviet embassy sent a protest note to the TV and radio stations which broadcast the song and some of them banned it.

"The Ambassador delivered his protest note to their Foreign Ministry before they went public on the arrest 'for conduct incompatible with diplomatic status.' "

This prompted a protest note to the Italian Government from the Israeli Ambassador in Rome.

During this period the explorer Wally Herbert said "protest notes were exchanged like cards in a game of snap."

We must, once and for all, get effective pressure put on Cambodia to uphold human rights, and that means more than just sending protest notes.

Kamal Haasan released a protest note, criticising them for using an "icon bashing" tactic in order to politically profile themselves.